public float[,] GetHeightmap(Index2 chunkIndex)
{
float[,] values = new float[Chunk.CHUNKSIZE_X, Chunk.CHUNKSIZE_Y];
chunkIndex = new Index2(chunkIndex.X * Chunk.CHUNKSIZE_X, chunkIndex.Y * Chunk.CHUNKSIZE_Y);
float[,] heights = BiomeNoiseGenerator.GetTileableNoiseMap2D(chunkIndex.X, chunkIndex.Y, Chunk.CHUNKSIZE_X, Chunk.CHUNKSIZE_Y, Planet.Size.X * Chunk.CHUNKSIZE_X, Planet.Size.Y * Chunk.CHUNKSIZE_Y);
for (int x = 0; x < Chunk.CHUNKSIZE_X; x++)
{
for (int y = 0; y < Chunk.CHUNKSIZE_Y; y++)
{
values[x, y] = (heights[x, y] / 2 + 0.5f) * ValueRange + ValueRangeOffset;
}
}
return(values);
}
public override float[,] GetHeightmap(Index2 chunkIndex)
{
float[,] values = new float[Chunk.CHUNKSIZE_X, Chunk.CHUNKSIZE_Y];
Index2 blockIndex = new Index2(chunkIndex.X * Chunk.CHUNKSIZE_X, chunkIndex.Y * Chunk.CHUNKSIZE_Y);
float[,] regions = BiomeNoiseGenerator.GetTileableNoiseMap2D(blockIndex.X, blockIndex.Y, Chunk.CHUNKSIZE_X, Chunk.CHUNKSIZE_Y, Planet.Size.X * Chunk.CHUNKSIZE_X, Planet.Size.Y * Chunk.CHUNKSIZE_Y);
float[][,] biomeValues = new float[SubBiomes.Count][, ];
for (int i = 0; i < SubBiomes.Count; i++)
{
biomeValues[i] = SubBiomes[i].GetHeightmap(chunkIndex);
}
for (int x = 0; x < Chunk.CHUNKSIZE_X; x++)
{
for (int y = 0; y < Chunk.CHUNKSIZE_Y; y++)
{
float region = regions[x, y] / 2 + 0.5f;
int biome2;
int biome1 = ChooseBiome(region, out biome2);
float interpolationValue = 0f;
if (biome2 != -1)
{
interpolationValue = CalculateInterpolationValue(region, SubBiomes[biome1], SubBiomes[biome2]);
values[x, y] = (biomeValues[biome2][x, y] * interpolationValue) + (biomeValues[biome1][x, y] * (1 - interpolationValue));
}
else
{
values[x, y] = biomeValues[biome1][x, y];
}
}
}
return(values);
}